Most people won't order the cheapest bottle of wine on the menu because they dont want to look like a tightwad. So they'll go for the second-cheapest bottle, which prompts restaurants to mark it up the most, says Urbanspoon.

1. The second-cheapest bottle of wine has the highest mark-up... Photo-5559637.75550 - Times Union

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2. Also from another table: The bread basket

If you didn't touch the bread basket - or it looks like you didn't touch it - there's a good chance it will go to another table, wrote Debra Ginsberg, author of the memoir, "Waiting: The True Confessions of a Waitress." See more of her "confessions" here.

3. Wait times are made up Urbanspoon says wait times are often... Photo-5559641.75550 - Times Union

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4. Sliced lemons in your drink are gross

Says Urbanspoon:
"Sliced lemons for water and iced tea are often kept, usually unwashed, in a container by the kitchen's exit. Waiters and busers will grab the lemon slices with their bare hands; studies have shown that up to two-thirds of restaurant lemons are contaminated with bacteria."

7. Well-done steaks are the worst cuts If you order your steak... Photo-5559645.75550 - Times Union

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8. The worst serivce is when the restaurant is slow

You might think service is bad when a restaurant is really busy. Not always true, says Urbanspoon. Servers take advantage of slow times to get side work done and hang out with co-workers, meaning they're more likely to neglect you.

If menus were like neat spreadsheets, you'd focus on the dollar signs, right? But fancy menus purposely include prices near a dish, so it's harder to compare prices, says Urbanspoon. They also sometimes leave out dollar signs and use elaborate fonts for numbers to distract you from the cost.

11. Fancy menus are fancy for a reason If menus were like neat... Photo-5559649.75550 - Times Union

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12. Your server is upselling you

When your server raves about a special, it's not because it's the yummiest thing in the house. She's under pressure to sell a dish that uses up leftovers or has a sales bonus. Also, when a server says, "This is one of our most popular dishes," it doesn't necessarily mean it's good but that it's expensive.

12. Your server is upselling you When your server raves about a... Photo-5559650.75550 - Times Union

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Taboola Gallery Frame Item-85307.75550 - Times Union

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13. Specials, part 2: Watch out for the soup

If the special is gumbo, or soup with fish, be careful. It's probably fish the restaurant is trying to sell before it spoils, according to "Good Morning America."

13. Specials, part 2: Watch out for the soup

If the special is gumbo, or soup with fish, be careful. It's probably fish the restaurant is trying to sell before it spoils, according to "Good Morning America."

Photo: Sf_foodphoto, Getty Images

13. Specials, part 2: Watch out for the soup If the special is... Photo-5559651.75550 - Times Union

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14. Valentine's Day and Mother's Day are the worst days for diners

All sorts of customers show up in restaurants on these days, which tests the limits of servers and leads to an unfulfilling dining experience. Better to go out on a non-holiday weekday, when things are more relaxed.